MSC SSP SCP TS LS
| 8 | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| 0 | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| 0 | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| K | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| N1 | | | |
|-----------→| | | |
| A6 | | | |
|←-----------| | | |
| KA | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| X1′ | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| X2′ | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| 9 | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| 0 | | | |
|-----------→| | | |
| ∶ | | | |
| 0 | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| 15 | | | |
|-----------→| | | |
| A1 | | | |
|←-----------| | | |
| N2 | | | |
|-----------→| | | |
| ∶ | | | |
| D | | | |
|-----------→| | | |
| A3 | | | |
|←-----------| | | |
| KD | | | |
|-----------→| | | |
| KB | | | |
|←-----------| | | |
| | IDP | | |
| |----------------→| | |
| | ∶ | | |
| | CON | | |
| |←----------------| | |
| | P | |
| |--------------→| |
| | A1 | |
| |←--------------| |
| | ∶ | |
| | D | |
| |--------------→| |
| | A1 | |
| |←--------------| |
| | | P |
| | |---------→|
| | | A1 |
| | |←---------|
| | | Q |
| | |---------→|
| | | A1 |
| | |←---------|
| | | ∶ |
| | | D |
| | |---------→|
| | A3′ | A3 |
| |←--------------|←---------|
| | KD | KD |
| |--------------→|---------→|
| | KB(=1) | KB(=1) |
| |←--------------|←---------|
| 应答 | 应答 | 应答 |
|←-----------|←--------------|←---------|
| 拆线 | 拆线 | 拆线 |
|-----------→|--------------→|---------→|
| 释放监护 | 释放监护 | 释放监护 |
|←-----------|←--------------|←---------|
| | ACR | | |
| |----------------→| | |
图32 移动用户呼叫800业务用户,MSC向SSP送移
动用户所在位置假的主叫号码示例